Austin Area Reservoirs: Monitored Water Supply Reservoirs are 94.6% full on 2026-09-13

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Today 2026-09-13 94.6 2,142,553 2,111,710 2,232,539
Yesterday 2026-09-12 94.7 2,145,126 2,114,283 2,232,539
2 days ago 2026-09-11 94.8 2,148,250 2,117,407 2,232,539
1 week ago 2026-09-06 95.6 2,165,475 2,134,632 2,232,539
1 month ago 2026-08-13 98.8 2,235,894 2,205,051 2,232,539
3 months ago 2026-06-13 91.0 2,088,466 2,032,411 2,232,539
6 months ago 2026-03-13 85.1 1,929,739 1,898,896 2,232,539
1 year ago 2025-09-13 91.9 2,083,319 2,051,446 2,232,539
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage map

Reservoir Storage

Reservoir Type Percent Full Water Level
(ft) 		Height Above Conservation Pool
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Buchanan Water Supply 96.6 1,018.69 -1.31 851,130 837,468 866,694 22,179
Georgetown Water Supply and Flood Control 80.4 784.93 -6.07 30,628 30,565 38,005 1,146
Stillhouse Hollow Water Supply and Flood Control 98.0 621.28 -0.72 225,290 225,204 229,796 6,325
Travis Water Supply and Flood Control 92.8 676.71 -4.29 1,035,505 1,018,473 1,098,044 18,061